.
Power Levels:
Tier 10: 0
Regular humans, animals, and other creatures with absolutely no magical power. Examples: Zach Praktum (Vol. IX).
.
Tier 9: 1-99
Anyone from the weakest magic user (including but not limited to Issei when he was initially revived) to just below the average low-class devil. Can also apply to sorcerers who've just started their training.
.
Tier 8: 100-199
The varying power degrees of a normal low-class sorcerer, devil, angel, fallen angel, etc. Also applies to most magical creatures. Examples: Issei (Vol. I-II), Raynare (pre-revival), Kiba Yuuto (Vol. I-II), Koneko Toujou (Vol. I-III), Asia Argento (Vol. I-III), Genshirou Saji (Vol. I-III).
.
Tier 7: 200-299
The stage between low and middle class. Examples: Issei Hyoudou (Vol. III-V), Genshirou Saji (Vol. IV-VI), Koneko Toujou (Vol. IV-V).
.
Tier 6: 300-399
Beings with middle-class magical power. Examples: Issei Hyoudou (Vol. VI), Kiba Yuuto (Vol. III-VI), Xenovia Quarta (Vol. III-VI), Irina Shidou (Vol. III-VII).
.
Tier 5; 400-499
The stage between middle and high class. Examples: Akeno Himejima (Vol. I-V), Kiba Yuuto (Vol. VII-?), Xenovia Quarta (Vol. VII-?), Koneko Toujou (Vol. VI-VIII).
.
Tier 4: 500-999
High-class power. Examples: Rias Gremory (Vol. I-VIII), Sona Sitri (Vol. I-V) Akeno Himejima (Vol. VI-?), Issei Hyoudou (Vol. VII-?), Zach Praktum (Vol. IX-?).
.
Tier 3: 1,000-9,999
The stage between high and ultimate class. Examples: Michael Eon (Vol. I-VI), Kuroka (Vol. II-?), Sona Sitri (Vol. VI-?), Sairaorg Bael (Vol. V-VII), Issei Hyoudou (Triaina forms).
.
Tier 2: 10,000-99,999
Ultimate-class. Examples: Zach Praktum (Vol. I-VIII), post-revival Raynare (Vol. III-?), Michael Eon (Vol. VII-?), Sairaorg Bael (Vol. VIII-?), Issei Hyoudou (Cardinal Crimson Promotion).
.
Tier 1: 100,000-999,999
Satan/Seraph/Gov. General-like power. Examples: Serafall Leviathan, Azazel, Shimezhai, Michael the Archangel, Gabriel, Metatron.
.
Tier α: 1,000,000-9,999,999
Gods, Super Devils, certain monstrous gods, various Lovecraftian creations that might make appearances in the story much later on, and the Heavenly Dragons. Examples: the Abrahamic God, the original Satans, Rizevim Livan Lucifer, Sirzechs Lucifer, Ajuka Beelzebub, the Leviathan God, Ddraig, Albion.
.
Tier Ω: 10,000,000-∞ minus 1
The amount of power reserved for those who are above the normal gods and can bring about the end of the timeline. Examples: Ophis, Great Red, Trihexa, Gaia, Tartarus, Ouranos.
.
∞
Infinite power, only accessible to the three Primordial Ones. Anyone with this strength is absolutely impossible to overcome except by someone else with this power. The Only Three: Azrael (Lord of Balance), Satanael (Lord of Order), Kaira (Lady of Chaos).
.
Trivia
- Ain't it ironic that Ophis, the dragon of infinity, doesn't have infinite power?
- No, it just makes sense.
- But yeah, I guess it is ironic.
- No, it just makes sense.
- A person's power level doesn't always correspond to their rank. For example, Issei was easily strong enough to be considered a High-Class devil from the start of volume VII but won't be given the title until much later.